Home / 104,908.72-157,350.12-42,519.28

Finding the Fourth Proportional to 104,908.72, 157,350.12 and 42,519.28

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Solution

The fourth proportional to 104,908.72, 157,350.12 and 42,519.28 is: 63,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,908.72 : 157,350.12 = 42,519.28 : x
  2. Step 2: Convert to fraction form
    104,908.72/157,350.12 = 42,519.28/x
  3. Step 3: Cross multiply
    104,908.72x = 157,350.12 × 42,519.28
  4. Step 4: Simplify right side
    104,908.72x = 6,690,413,810.31
  5. Step 5: Solve for x
    x = 6,690,413,810.31/104,908.72
  6. Step 6: Final answer
    x = 63,773.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.